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Old 04-11-2013, 12:04 AM   #9
Scooby Newbie
Member#: 267159
Join Date: Dec 2010
Location: Michigan
1997 2.5 GT


Ej22t heads w block has cr of 8.04:1. with the better flowing heads, it drops the cr to 7.57:1. If the pistons are milled from a 28cc to 26cc dish coupled with an sti compressed .6mm (.0236") HG as opposed to stock 1.30mm the outcome is 8.18:1 which is what i am aiming for and will achieve for my boost.
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